Finding the Fourth Proportional to 2,011,389.13, 2,775,697.48 and 1,093,618.26
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Solution
The fourth proportional to 2,011,389.13, 2,775,697.48 and 1,093,618.26 is: 1,509,182.59
Step by Step Solution
- Step 1: Write the proportion equation
2,011,389.13 : 2,775,697.48 = 1,093,618.26 : x - Step 2: Convert to fraction form
2,011,389.13/2,775,697.48 = 1,093,618.26/x - Step 3: Cross multiply
2,011,389.13x = 2,775,697.48 × 1,093,618.26 - Step 4: Simplify right side
2,011,389.13x = 3,035,553,457,893.05 - Step 5: Solve for x
x = 3,035,553,457,893.05/2,011,389.13 - Step 6: Final answer
x = 1,509,182.59
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.